conferences only mode like in bombusmod
if you ever had used bombusmod (maybe it is in original bombus, too) you have saw in account settings checkbox "conferences only". basically it created privacy list allowning only conference servers you use and somehow (i have no idea how) it doesnt load contact list at all. you mite think about including this to gajim, its nice and cute thing when you want just to chat and dont want chat all your silly (bosses, co-workers, classmates, whatever and whole your conctact list). may you thought about it ...